List 20 top poorest country in the world?

According to the United Nations, the 20 countries with the lowest per capita gross domestic product (GDP) in 2011 are...

1. Somalia
2. Democratic Republic of the Congo
3. Burundi
4. Liberia
5. Ethiopia
6. Malawi
7. Niger
8. Madagascar
9. Eritrea
10. Sierra Leone
11. Central African Republic
12. North Korea
13. Tanzania
14. Mozambique
15. Guinea
16. Uganda
17. Rwanda
18. Afghanistan
19. Guinea-Bissau
20. Burkina Faso